The fight-or-flight mechanism causes all of the following EXCEPT
A) the speeding up of digestion.
B) the increasing of blood pressure.
C) the releasing of adrenaline.
D) sweating.
Answer: A
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Identify which of the following describes how antigen processing and presentation of self antigens by thymic epithelial cells differs from that of antigen-presenting cells in peripheral tissues. (Select all that apply.)
a. Thymic epithelium expresses MHC class I molecules but not MHC class II molecules. b. Thymic epithelium uses cathepsin L for proteolytic degradation of self proteins. c. Thymic epithelium expresses MHC class II molecules but not MHC class I molecules. d. Thymic epithelium uses the transcription factor AIRE to activate thymic expression of tissue-specific genes. e. Thymic epithelium expresses transcription repressor protein FoxP3.
How can the nurse describe the symptoms of chronic (open-angle) glaucoma?
a. Progressive blurring and loss of peripheral vision, typically bilaterally b. A sudden onset of pain, blurred vision, and dilated pupils c. Constricted and nonreactive pupils and irregularly shaped eyes d. Red eye with no pain
A combining form that means vision is ________
Fill in the blank(s) with correct word
Emesis means "to vomit."
Indicate whether the statement is true or false